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Mr William Dennes, Male

Consultant obstetrician 3405804
Photo of Mr William Dennes Male


Mr Dennes is a Consultant Obstetrician and Sub-specialist in Maternal and Fetal Medicine. He is a Consultant at Queen Charlotte’s and Chelsea Hospital, London, part of Imperial College NHS Trust. He works both in the NHS and privately, looking after mothers at both Queen Charlotte’s and Chelsea Hospital and the Lindo Wing (St Mary’s Hospital).

Mr Dennes is experienced in the management of women in pregnancy, and has a special interest in multiple pregnancies and high-risk obstetric cases. He is accredited as a sub-specialist in fetal and maternal medicine, and is experienced in all aspects of antenatal ultrasound imaging (both conventional and 3D/4D). Mr Dennes is accredited with the Fetal Medicine Foundation and routinely carries out invasive prenatal diagnostic testing (amniocentesis and chorionic villous sampling). He offers the recently introduced cell free DNA screening (the Harmony Test™).

Mr Dennes graduated in London and subsequently went on to specialised training in obstetrics and gynaecology in London and the North West Thames region. Initially training at the Hammersmith Hospital (under Prof Winston) he returned to Hammersmith and Queen Charlotte’s Hospitals for further postgraduate research, completing his PhD thesis on the Molecular mechanisms involved in preterm labour, with Prof Phillip Bennett. Following completion of training in obstetrics and Gynaecology he underwent sub-speciality training in Maternal and Fetal Medicine, at the Centre for Fetal, Care at Queen Charlotte’s and Chelsea Hospital (under Prof Nicholas Fisk) a nationally recognised fetal medicine centre. He completed sub-specialty training in maternal and fetal medicine in 2005. He was appointed as a Consultant Obstetrician at King’s College Hospital in London in 2006, with a specialist interest in fetal medicine, where he worked in the Harris Birthright Centre for Research, with Prof Kypros Nicolaides. He returned to Queen Charlotte’s and Chelsea Hospital in 2013.

Current membership(s) of  professional, national and regional bodies:

Royal College of Obstetricians and Gynaecologists (RCOG)

British Association of Perinatal Medicine (BAPM)

British Maternal and Fetal Medicine Society (BMFMS)

Independent Doctors’ Forum (IDF)

Chelsea Clinical Society


MB BS – Royal Free Hospital School of Medicine (University of London)

MRCOG – Membership of the Royal College of Obstetricians and Gynaecologists, London

PhD – Imperial College, London

Special interests

  • Fetal medicine
  •  Fetal scanning
  • Obstetric ultrasound
  • Prenatal diagnosis
  • High-risk pregnancies